ET condones moderators deleting popular threads?

It's a good thing I deleted Rowschan's (the latest incarnation of) latest wrong thread about how we'd see a pullback!

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But his thread was correct. He said we'd see an intermeidate term top in the S&P this week. And the S&P did make a high thursday of 1213.9 and has since sold off.

The thread that was deleted was accurate amd trading related. The OP said the S&P would make an intermediate term top this past week. The thread also had over 1,000 views in a day and had over 30 poll responses from long time ET members.

Why would ET allow a moderator to delete a popular thread? From the feedback i've read, this is not the first time this particular moderator has unilaterally deleted a popular thread .